Why do most surfaces reflect light diffusely?

1. Most surfaces are clear.

2. Most surfaces are 100% smooth.

3. Most surfaces are not totally smooth.

4. All surfaces are smooth.

A system is a group of parts that can be considered one unit. Storm systems, ecosystems, and our bodies are natural systems. Cars and houses are human-made systems. Choose an example of a system, and analyze the energy flow through the system.

The amount of pressure exerted by a solid is based on

Why are some materials magnetic and not others?

The coil of wire in a galvanometer has a resistance of RC = 71.0 Ω. The galvanometer exhibits a full-scale deflection when the current through it is 0.470 mA. A resistor is connected in series with this combination so as to produce a voltmeter.

A source from which organisms generally take elements is called a/an A. exchange pool. B. reservoir. C. biotic community. D. food web.

A weightlifter lifted 800 Newtons to a height of 2.5 meters. What is the power output if this was done in 1.22 seconds?

What conditions must be present for a translational and rotational equilibrium of a rigid body?

In objects motion will not change is the force is acting on the object are blank

How fast or slow an object is moving and in what direction

Which paragraph shows the correct relationship between kinetic energy and speed?